Polar Vortex January 2025 Map. La niña events can lead to a more meridional (wavy) flow in the upper atmosphere, which can weaken the polar vortex. Washington (7news) — early indications of a weakening polar vortex could send arctic air into north america next month.
The ao is a climate pattern characterized by winds circulating counterclockwise around the arctic at around 55°n latitude. The forecast trend of the pv.